1
general::
Phrase(s): duck out (of some place)
Fig. to sneak out of some place. • She ducked out of the theater during the intermission. • When no one was looking, she ducked out., Phrase(s): duck out (of something)
Fig. to evade something; to escape doing something. • Are you trying to duck out of your responsibility? • Fred tried to duck out of going to the dance.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Leave hurriedly or secretly; evade responsibility. For example, If I can I'll duck out of the office early, or He simply ducked out on his entire family. This slangy expression originated in the late 1800s simply as duck, out being added about 1930.
American Heritage Idioms